Oval|Lab Grown|IGI

4.22ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG628437673

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG628437673

Diamond specifications and retailer prices

From $673 AUD
$473 USD
As of October 29, 2026
Save $4,679 AUD (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,353 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.22ct lab-grown oval diamond

This 4.22ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG628437673 or 628437673. Listed at 15 retailers as of October 29, 2026, with prices from $673 to $5,353, a $4,679 spread on the same certified stone. Brilliant Earth lists it at $5,353. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.22
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628437673
Dimensions13.04 × 9.21 × 5.70 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.04 mm9.21 mm4.22 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628437673
Side View
Table 59.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,353 AUD|Low: $646 AUD|High: $5,353 AUD|Avg: $1,907 AUD
Brilliant Earth
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
October 31, 2026
Retailer 5$673 AUD
Retailer 16$700 AUD
Retailer 12$755 AUD
Retailer 3$834 AUD
Retailer 17$834 AUD
Retailer 10$1,032 AUD
Retailer 6$1,303 AUD
Retailer 2$1,385 AUD
Retailer 15$1,426 AUD
Retailer 7$1,431 AUD
Retailer 9$2,134 AUD
Retailer 13$2,244 AUD
Retailer 8$2,359 AUD
Retailer 4$2,683 AUD
Retailer 11$3,070 AUD
Retailer 14$4,911 AUD
Brilliant Earth$5,353 AUD

39 data points across 17 retailers

15 retailers$673 AUD to $5,353 AUD

A
Cheapest Retailer
-
$673 AUD
$473 USD
Retailer 2
-
$700 AUD
£387 GBP
View
Price last confirmed 14 days ago
A
Retailer 3
-
$755 AUD
$530 USD
View
Retailer 4
-
$834 AUD
$586 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$834 AUD
$586 USD
View
A
Retailer 6
-
$1,032 AUD
$725 USD
View
B+
Retailer 7
-
$1,303 AUD
$915 USD
View
A
Retailer 8
-
$1,385 AUD
£766 GBP
View
A
Retailer 9
-
$1,431 AUD
$1,005 USD
View
B+
Retailer 10
-
$2,134 AUD
$1,499 USD
View
B+
Retailer 11
-
$2,244 AUD
$1,576 USD
View
B+
Retailer 12
-
$2,683 AUD
$1,885 USD
View
B
Retailer 13
-
$3,070 AUD
£1,698 GBP
View
Retailer 14
-
$4,911 AUD
$3,450 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
9832002A · Oct 29
$5,353 AUD
$3,760 USD
View
14 more retailers have this diamond
Prices start from $673 AUDSave up to $4,679 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
4.22ct Oval
$673 AUD